Wiki Article · Cinematic

Event Sourcing

Event sourcing ek architecture pattern hai jisme application ki state directly store karne ki jagah…

Overview

Event Sourcing — Quick Facts

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Property: Detail

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Topic: Event Sourcing

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Category: Software Architecture /…

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Definition: Store state changes as immutable…

Topic 1

Kya Hai Event Sourcing

📚 Socho ek e-commerce order system hai: Traditional CRUD: Order table me ek row hai —…

Topic 2

Event Sourcing vs Traditional CRUD

💡 | Aspect | Traditional CRUD | Event Sourcing | |---|---|---| | Storage | Current state…

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Snapshots

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Without snapshot: 10,000 events…

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With snapshot: Last snapshot…

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CQRS + Event Sourcing

⭐ CQRS (Command Query Responsibility Segregation) aur Event Sourcing naturally saath me fit…

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Advantages aur Disadvantages

🔑 | Advantages | Disadvantages | |---|---| | Complete audit trail — har change tracked |…

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When to Use

✨ | Good Fit | Bad Fit | |---|---| | Complex domain with rich business logic | Simple CRUD…

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Best Practices

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Immutable events: Events kabhi…

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Small, focused events: Ek event ek…

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Snapshots: Long-running aggregates…

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Event versioning: Schema change…

Comparison

Event Sourcing vs Traditional CRUD

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Storage: Current state stored

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Update: Row overwritten (UPDATE)

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History: Lost on update (unless audit…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Event Sourcing ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Event Sourcing ka 'Topic' kya hai?

Complete! 🎉

Event Sourcing Complete!

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Event Sourcing Complete

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Event Sourcing

Event Sourcing — Quick Facts

Property: Detail

Topic: Event Sourcing

Category: Software Architecture /…

Definition: Store state changes as immutable…

Kya Hai Event Sourcing

Event Sourcing vs Traditional CRUD

Snapshots

Without snapshot: 10,000 events…

With snapshot: Last snapshot…

CQRS + Event Sourcing

Advantages aur Disadvantages

When to Use

Best Practices

Immutable events: Events kabhi…

Small, focused events: Ek event ek…

Snapshots: Long-running aggregates…

Event versioning: Schema change…

Event Sourcing vs Traditional CRUD

Storage: Current state stored

Update: Row overwritten (UPDATE)

History: Lost on update (unless audit…

Visual Flow

See Also

CQRS

Event_bus

Event_stream

Event_schema

Kafka

Database

Quiz — Question 1

Quiz — Question 2

Event Sourcing Complete!

Event Sourcing Complete

CQRS